8007987

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:243

約数の個数: 32

約数和(自身を含む): 12337920

約数和(自身を除く): 4329933

約数列:

[1, 3, 13, 19, 39, 57, 101, 107, 247, 303, 321, 741, 1313, 1391, 1919, 2033, 3939, 4173, 5757, 6099, 10807, 24947, 26429, 32421, 74841, 79287, 140491, 205333, 421473, 615999, 2669329, 8007987]

約数ペア:

[(1, 8007987), (3, 2669329), (13, 615999), (19, 421473), (39, 205333), (57, 140491), (101, 79287), (107, 74841), (247, 32421), (303, 26429), (321, 24947), (741, 10807), (1313, 6099), (1391, 5757), (1919, 4173), (2033, 3939)]